Home / 8,084.12-12,126.65-2,160.86

Finding the Fourth Proportional to 8,084.12, 12,126.65 and 2,160.86

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Solution

The fourth proportional to 8,084.12, 12,126.65 and 2,160.86 is: 3,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.12 : 12,126.65 = 2,160.86 : x
  2. Step 2: Convert to fraction form
    8,084.12/12,126.65 = 2,160.86/x
  3. Step 3: Cross multiply
    8,084.12x = 12,126.65 × 2,160.86
  4. Step 4: Simplify right side
    8,084.12x = 26,203,921.48
  5. Step 5: Solve for x
    x = 26,203,921.48/8,084.12
  6. Step 6: Final answer
    x = 3,241.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.